在美国大约有80万人患有病灶性癫痫,其中32万人为药物难控制性癫痫(占40％)。仅有1％的病人能得到外科治疗,其中一部分为外伤性病灶性癫痫,癫痫的外科治疗可使一半病人癫痫发作停止,另一半病人癫痫发作频率减少或症状改善。癫痫同时伴有偏瘫的患者经功能性半球切除术后,癫痫得到控制之后,偏瘫和运动功能也随之好转一。外伤性癫痫是颅脑外伤后最严重的并发症之一。按伤后癫痫初次发生的时间, Approximately 800,000 people in the United States suffer from focal epilepsy, of which 320,000 are drug-refractory epilepsy (40%). Only 1% of patients receive surgical treatment, some of which are traumatic focal epilepsy. Surgical treatment of epilepsy halts seizures in one half of patients and reduces or improves the frequency of seizures in the other half. Patients with epilepsy accompanied by hemiplegia after functional hemispherectomy, after the control of epilepsy, hemiplegia and motor function also will be improved one. Traumatic epilepsy is one of the most serious complications after traumatic brain injury. According to the first time after the injury epilepsy,